Home / 282,035.60-422,917.28-163,736.72

Finding the Fourth Proportional to 282,035.60, 422,917.28 and 163,736.72

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Solution

The fourth proportional to 282,035.60, 422,917.28 and 163,736.72 is: 245,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,035.60 : 422,917.28 = 163,736.72 : x
  2. Step 2: Convert to fraction form
    282,035.60/422,917.28 = 163,736.72/x
  3. Step 3: Cross multiply
    282,035.60x = 422,917.28 × 163,736.72
  4. Step 4: Simplify right side
    282,035.60x = 69,247,088,258.52
  5. Step 5: Solve for x
    x = 69,247,088,258.52/282,035.60
  6. Step 6: Final answer
    x = 245,526.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.